package chapter02;

public class Example30 {
    public static void main(String[] args) {
        int[][]arr=arr = new int[3][];
        arr[0]= new int[]{11,12};
        arr[1]= new int[]{21,22,23};
        arr[2]= new int[]{31,32,33,34};
        int sum = 0;
        for(int i = 0; i <arr.length;i++){
            int groupSum = 0;
            for (int j = 0; j<arr[i].length;j++){
                groupSum = groupSum +arr[i][j];
            }
            sum = sum + groupSum;
            System.out.println("第"+(i+1)+"小组销售额为："+groupSum+"万元");
        }
        System.out.println("总销售额为："+sum+"万元");
    }
    }

